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Describe about Object oriented design
Object oriented design is concerned with developing an object oriented model of a software system to implement known requirements. Many OOD methods have been described since late 1980s. The most famous OOD methods include Wasserman, Buhr, Booch, and HOOD developed by the European Space Agency which can give following benefits: maintainability through simplified mapping to problem domain that provides for less analysis effort, less complexity in system design and easier verification by user.
FDs in Relationships: Enrols Relationship: None as it is many to many Teaches Relationship : Course code → Instructor Instructor → Course code The next question is:
Define a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes? Show the job scheduling dependencies in a pictori
Durability : This property necessitates that once a transaction has committed, the changes made by it be never lost because of subsequent failure. Thus, a transaction is also a bas
Ask qu. Write a XML with database with book details (Book ID, Title, Author, subject, published year, language, vendor, and price).estion #Minimum 100 words accepted#
Software failures : In such cases, a software error abruptly stops the implementation of the current transaction (or all transactions), therefore leading to losing the state of pr
What is deadlock? Neither of the transaction can ever proceed with its normal implementation. This situation is known as deadlock.
Forward Recovery (Redo): In this system the committed changes made by a transaction are reapplied to a previous copy of the database. In simpler
What is RDBMS terminology for a row? A tuple is a RDBMS terminology for a row
Explain what is DDL? DDL - Data Definition Language: statements used to define the database structure or schema. Some examples: CREATE - to create objects in the database ALT
Conversion of entity sets: I) For every strong entity type E in the ER diagram, we make a relation R containing all the easy attributes of E. The relation R pri
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